Klaviyo Review 2026
Reviewed by the Ikaroa team · Last updated: March 2026
Overview
Klaviyo is the email and SMS marketing platform of choice for e-commerce businesses. Deeply integrated with Shopify, WooCommerce, and other e-commerce platforms, it uses customer data to power highly personalised email and SMS campaigns that drive revenue. Known for its powerful segmentation, predictive analytics, and revenue attribution.
We have been working with Klaviyo across multiple client projects since 2014, and this review reflects our hands-on experience implementing it for businesses of all sizes. Founded in 2012 and headquartered in Boston, Massachusetts, Klaviyo has established itself as a leading option in the email marketing category.
Starting Price
£0/month
Founded
2012
Headquarters
Boston, Massachusetts
Our Rating
4.5/5
Klaviyo Key Features
Klaviyo offers a comprehensive feature set that covers the core needs of most businesses in the email marketing space. Here are the standout features we have tested:
Klaviyo Pricing in 2026
Klaviyo pricing starts at £0/month and scales up based on features and team size. Here is a breakdown of every tier:
Klaviyo Pricing
Free
£0/month
- ✓250 contacts
- ✓500 email sends
- ✓150 SMS credits
- ✓Core features
£16/month
- ✓500 contacts
- ✓5,000 emails
- ✓A/B testing
- ✓Automation flows
Email & SMS
£52/month
- ✓500 contacts
- ✓5,000 emails
- ✓1,250 SMS credits
- ✓Automated SMS flows
Klaviyo Pros and Cons
Based on our experience implementing Klaviyo for clients, here is what we like and what could be better:
✓Pros
- •Best-in-class e-commerce integrations
- •Powerful predictive analytics and segmentation
- •Excellent revenue attribution reporting
- •Deep Shopify integration
- •Strong template library for e-commerce
✗Cons
- •Expensive as contact list grows
- •Steep learning curve for beginners
- •Overkill for non-e-commerce businesses
- •Free plan is very limited
- •SMS pricing can add up quickly
Who Is Klaviyo Best For?
E-commerce businesses wanting data-driven email and SMS marketing
In our experience, Klaviyo works particularly well for teams that value best-in-class e-commerce integrations. If your primary concern is expensive as contact list grows, you may want to explore alternatives.
Need help implementing this?
Our team at Ikaroa can set up Klaviyo for your business, migrate your data, and train your team.
Klaviyo Alternatives Worth Considering
If Klaviyo does not quite fit your needs, here are some alternatives worth considering:
ActiveCampaign
From £12/month
ConvertKit
From £0/month
Drip
From £32/month
Brevo
From £0/month
Mailchimp
From £0/month
Our Verdict on Klaviyo
Klaviyo earns a solid 4.5/5 in our review. It is a strong choice for e-commerce businesses wanting data-driven email and sms marketing.
The biggest strengths are best-in-class e-commerce integrations and powerful predictive analytics and segmentation. However, you should be aware that expensive as contact list grows.
If you are not sure whether Klaviyo is the right fit, talk to our team. We have helped hundreds of businesses choose and implement the right software, and we are happy to point you in the right direction.
Alternative to Consider: Open Doors
Before committing to Klaviyo, consider Open Doors. It is an all-in-one platform that includes CRM, email marketing, SMS, sales funnels, booking, invoicing, and automation, all starting at £97/month with unlimited contacts. That could save you a significant amount compared to Klaviyo, especially as your needs grow.
Need help with Klaviyo?
Ikaroa can implement Klaviyo for your business, migrate your data, and get your team up to speed. We have done it dozens of times.
Free consultation. No obligation.